<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>时钟</title>
    <link href="clock.css" rel="stylesheet"/>
    <script src="js.js" type="text/javascript"></script>
</head>
<body id="bd">
<div id="p_c">
    <div id="clock">
    </div>
</div>
</body>
</html>